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pty_process_unix: _exit() on execvp() failure

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Mostly cargo-culting based on a reading of the manpages, interwebs, and
the Vim source.
This commit is contained in:
Justin M. Keyes
2017-12-12 01:31:15 +01:00
parent 34057045be
commit 6203c23449
2 changed files with 6 additions and 5 deletions
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8
src/nvim/os/pty_process_unix.c
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@@ -72,8 +72,7 @@ int pty_process_spawn(PtyProcess *ptyproc)
ELOG("forkpty failed: %s", strerror(errno));
return status;
} else if (pid == 0) {
init_child(ptyproc);
abort();
init_child(ptyproc); // never returns
}
// make sure the master file descriptor is non blocking
@@ -163,14 +162,15 @@ static void init_child(PtyProcess *ptyproc) FUNC_ATTR_NONNULL_ALL
Process *proc = (Process *)ptyproc;
if (proc->cwd && os_chdir(proc->cwd) != 0) {
fprintf(stderr, "chdir failed: %s\n", strerror(errno));
ELOG("chdir failed: %s", strerror(errno));
return;
}
char *prog = ptyproc->process.argv[0];
setenv("TERM", ptyproc->term_name ? ptyproc->term_name : "ansi", 1);
execvp(prog, ptyproc->process.argv);
fprintf(stderr, "execvp failed: %s: %s\n", strerror(errno), prog);
ELOG("execvp failed: %s: %s", strerror(errno), prog);
_exit(122); // 122 is EXEC_FAILED in the Vim source.
}
static void init_termios(struct termios *termios) FUNC_ATTR_NONNULL_ALL